Determinants of cognitive performance in children relying on cyanogenic cassava as staple food.

Determinants of cognitive performance in children relying on cyanogenic cassava as staple food.
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DOI:
10.1007/s11011-014-9492-9
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发表时间:
2014-06
影响因子:
3.6
通讯作者:
Tshala-Katumbay, D. D.
Tshala-Katumbay, D. D.
中科院分区:
医学3区
文献类型:
--
作者:
Bumoko, G. M.;Sombo, M. T.;Okitundu, L. D.;Mumba, D. N.;Kazadi, K. T.;Tamfum-Muyembe, J. J.;Lasarev, M. R.;Boivin, M. J.;Banea, J. P.;Tshala-Katumbay, D. D.

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虽然已知konzo的危险因素,但konzo患儿认知障碍的决定因素仍不清楚。我们将40名儿童的认知表现(kbc - ii评分)与血清游离甲状腺素(游离t4)、促甲状腺激素(TSH)、白蛋白和运动熟练程度(BOT-2评分)水平进行了锚定,其中21名患有konzo(中位年龄:9岁),19名没有konzo(中位年龄:8岁)。采用多元回归模型确定与kbc - ii评分变化相关的变量。年龄(β:−0.818,95%CI:−1.48,−0.152)(p=0.018)、性别(β:−5.72,95%CI:−9.87,女性为−1.57)(p=0.009)、BOT-2评分(β: 0.390, 95%CI: 0.113, 0.667) (p=0.008)和游离t4 (β: 1.88, 95%CI: 0.009, 3.74) (p=0.049)解释了61.1%的kbc - ii评分差异。亚临床甲状腺功能减退与认知不良无关。血清白蛋白与kbc - ii评分之间存在粗略关联(β: 1.26; 95% CI: 0.136, 2.39) (p=0.029)。未使用konzo的儿童当场尿硫氰酸酯含量为688 μmol/l,使用konzo的儿童当场尿硫氰酸酯含量为1032 μmol/l。女性和低血清白蛋白是暴露于木薯氰的儿童认知和比例相关运动缺陷的常见危险因素。这两种类型的赤字可能有共同的机制。
While risk factors for konzo are known, determinants of cognitive impairment in konzo-affected children remain unknown. We anchored cognitive performance (KABC-II scores) to serum levels of free-thyroxine (free-T4), thyroid-stimulating hormone (TSH), albumin, and motor proficiency (BOT-2 scores) in 40 children including 21 with konzo (median age: 9 years) and 19 without konzo (median age: 8 years). A multiple regression model was used to determine variables associated with changes in KABC-II scores. Age (β: − 0.818, 95%CI: − 1.48, − 0.152) (p=0.018), gender (β: − 5.72; 95% CI: − 9.87, −1.57 for females) (p=0.009), BOT-2 score (β: 0.390; 95% CI: 0.113, 0.667) (p=0.008), and free-T4 (β: 1.88; 95% CI: 0.009, 3.74) (p=0.049) explained 61.1% of variation in KABC-II scores. Subclinical hypothyroidism was not associated with poor cognition. A crude association was found between serum albumin and KABC-II scores (β: 1.26; 95% CI: 0.136, 2.39) (p=0.029). On spot urinary thiocyanate reached 688 μmol/l in children without konzo and 1032 μmol/L in those with konzo. Female gender and low serum albumin are risk factors common to cognitive and proportionally associated motor deficits in children exposed to cassava cyanogens. The two types of deficits may share common mechanisms.
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